How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Individuals belonging to the blood group O are universal donors because ?
antigens are absent in thier blood cells
members of the group consitutute the highest number of humans
there are no of antibodies in thier blood plasma
the antigens in thier blood cells are easily destroyed
Correct answer is A
No explanation has been provided for this answer.
Which of the followig traits in humans is an example of physiological variation?
skin colour
fingerprint
tongue rolling
height
Correct answer is C
No explanation has been provided for this answer.
An accident victim was successfully transfused with blood from the father whose blood group is
B
O
AB
A
Correct answer is C
No explanation has been provided for this answer.
The use of a lighter instead of matchsticks is a way of conserving
petroleum
forest
water
wildlife
Correct answer is B
No explanation has been provided for this answer.
The use of a lighter instead of matchsticks is a way of conserving
petroleum
forest
water
wildlife
Correct answer is A
No explanation has been provided for this answer.